Income Taxes - Significant Components of Deferred Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Accrued postretirement benefits	$ 23	$ 23
Foreign tax credit carryovers	144	148
Operating, capital loss and interest carryovers	357	339
Other credit carryovers	29	27
Accrued liabilities	75	75
Pension liabilities	10	28
Operating lease liabilities	50	55
Other	61	86
Total deferred tax assets	749	781
Deferred tax liabilities:
Property, plant, and equipment	113	119
Intangibles and deferred software	39	50
Operating lease right-of-use assets	48	53
Total deferred tax liabilities	200	222
Valuation allowance	(544)	(538)
Net deferred taxes	$ 5	$ 21